Process for waterproofing surfaces



.uy 23, 1929. l E.. R.. ODEN PRocEss FOR wATRPRooFING sULzPAcEs med April so, was

. WVM/7a@ 1K @fa/ff; @a4-W fram/fw Patented July 23, 1929.

UNITI-3u EUGENE a, einen, or na'nxnasmm, CALIFORNIA.

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"caresses rsocnss noa wa'rnaraoorrne Simancas Appiication mea spruce; 1325; serial No. 274,040.

My* invention relates to a process to-be used for ,waterproofing surfaces, such as basements, courses between concrete slabs, roofing, concrete reservoirs, etc., and more particularly does it pertain to a process for prof' ing an early removal of the; material from the floor with attendant greatV pecuniary loss.

` herein stated disadvantages, by mixing certain chemicals with the concrete to eliminate its attraction of water through the floor, incident to the relativeactions of heat and cold to which the concrete issubjected, but, to the best of' my knowled e, such attempts have been unsuccessful. t has been the practice to bond many fabrics together with the air of yhiotasphalt coats or similar coating maten rials, and then iron the surface thus treated until the intended close adhesion of these materials isset up with the underlying concrete ooring. Such methods have also failed in their purpose, and in addition thereto same are highly objectionable because of the labor required to be expended in carrying out the several steps; the smoke and'other annoyances attending the use'of hot asphalts; the muss created; and mainly becauseof the fact that it'has not been possible to bring about evenness of application of the hot coats employed, which is so necessary in avoiding rupture or damage to the expensive linoleum when laid. Nor has it been possible with such methods to prevent the formation of blisters or Weak portions in the finished coated-sur- A face, and in consequence thereof, water seeping through the concrete soon penetrates through these Weak places Where it almost instantly attacks the lioleum.I A Animportant object of my`inventionre' sides in the provision of a novelmethod Vof Waterproofing which will positively resist 'the actionv of lhydro-.static pressure, or dampness; one wherein the chemical coatin s em ployed are applied While cold; one whic may mate'- Attempts have been made-to overcome thel be practiced quickl and whereinthe'ivork can be cleanly per ormed and at muehless cost than has been possible heretoforegfl and one whereinfthe materials employed are of a coal tar base, free from the destroying action of caustics, alkali, etc.

Another object of my sanitation of buildings wherein the method is employed, vand whereinthe completed waterproof'` surface or4 membrane is Vsr'nooth and Without bubbles or vblisters-'andi will not in' 'jnreexpensive Y.linoleumis when laid thereupon.' '-f', i' rIn the accompanying draWing,-the figure .is a perspective view of agportionof a concrete door showing an application of my invention thereto. L

In carryin' the invention into practice, l first primetlie concrete' floor A orsurface with a cold carbonaceous blackl elastic coating material or liquid asphaltB, brushing, spraying, or rubbing 4it in and, ainstthe invention is to pro-` vide amethod which is eonduciveto proper `floor A.. I then trowel a cold car onaceous plastic-asbestos-elastie compound C over the aforestated priming coat B, I then apply or lay strips D of heavy felt or targpaperupon the surface thus treated, brin 'ng the edges of the strips into abutting re atlo'n to each Vother, and when this is accomplished, l apply pressure against the strips D, preferably vusine 'a heavy roller of approximately two hun( red pounds' Weight, rolling the' y strips fiat against the underlying prepared surface until all air is exclut edfrom'beneath the strips so ,that no air pockets will present themselves, and in orderthat the upper surface produced by the strips D may be -perfe'ctly smooth and Without any bubbles or raised places. t

I then usually follow the previous operation with a-n application of cold carbonaceous black elastic plastic coating material-tothe upper surface formed by the strips-Dtrow 'cling the same over'the entire surfa`ce,"asl shown at E, and lay strips F of felt `or tar paper upon this material, abutting their edges, and subject the strips to a rolling pressure as before, and until the desired smoothness of surface is vobtained and all airv vac uated from under the'said strips F, the said membranes which, when bonded together by theI waterproofing compounds herein set forth, result in the formation of a perfect wate1" sealing means between a concrete floor CIV and a covering material such as the linolc'um previously described.

After the floor has been fully prepared, and the parts rolled smooth, the linoleul'n G is laid upon the underlying receiving surface, but with its longitudinal edges at right angles to the corresponding edges of the saidstripsl D and F.

When my invention is used in connection, with roofs, I may employ as many membranes asdesired, preferably increasing the number of courses over than previously described, three courses or superposed membranes being desirable. y

When the invention is used in connection withl concrete'rescrvoirs as a Waterproofing ,-therefor, I generally troWel cold carbona- Vcold carbonaceous elastic coating compound,

applying a cold carbonaceous plastic -compound over the first said coating; applying strips of sheet material against the second coating While arranging theedges of the strips in abutting relation to each other, and

then subjecting the face thus treated to'the action of heavy pressure until all air is evacuated from beneath the strips and the vupper surface produced by the strips is perfectly .smooth While bringing/the under surfaces of the strips in firm binding. engagement with ceous compound.

the second named cold carbonaceous com-'f pound.

2. The herein described process of producing an elastic Waterproof membrane upon a face of concrete material, comprising covering the face of the concrete material with a cold earbonaceous elastic coating compound; applying a cold carbonaceous plastic compound over the first. said coating; applyingr strips of paper against the second coating While arranging the edges of the strips in abutting relation to each other; subjecting the face thus treated to the action of heavy pressure until all air is evacuated from beneath the stripsand the upper surface produced by the strips is perfectly smooth While bringing the under surfaces of the strips irito firm binding engagement with the second-named cold carbonaceous compound; vcoating the upper surfaces of the strips with a cold carbonaceous plastic coating compound and pressing the strips of papcrwith their longitudinal edges abutting one; another against the last'said compound until all'air is evacuated from beneath the said strips and the strips present a smooth upper surface, while/arranging the second strips so as to span the joints therebetween.

3. The herein describedprocess of pro ducing an elastic `Waterproof membrane upon a face of concrete material', comprising covering the face of concrete material With a cold elastic compound; trovvelingra cold carbona- ,ceous plastic compound overl thelcoating compound; applying strips of paper against the second coating While arranging the edges of the strips in abutting relation to each other; and then subjecting the 'face thus treated to the act-ion of heavy pressure until all air is evacuated from beneath the strips and thei upper surface produced by the strips is perfectly smooth While bringingthe under surfaces of the strips into firm binding engagement withA the second-named 'cold carbona- EUGENE n oDEN. 

